ASTRO 7N Unit 1 Part 3: Telescopes Quiz
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How long would one need to observe a star on a 10 meter telescope to collect the same amount of light as one collects in one hour on a 5 meter telescope?
15 minutes
In what ways does a 30 meter telescope outperform a 10 meter telescope?
Its images are 9 times brighter than a 10 meter.
If a telescope in space is only 1/4 the diameter of a telescope on Earth, which of the following is true?
The larger telescope can observe objects fainter than the space telescope.
When you magnify an object with a telescope, what else happens to your view of the sky?
Your field of view gets smaller, so you can only see a small area of sky.
Even the largest ground-based telescopes have resolution restrictions imposed by:
atmospheric blurring of images
